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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-11-25 17:55:04 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-11-25 17:55:04 -0800 |
| commit | c2a65d3d85a08b6c93da7b8664c89d1cd0682adf (patch) | |
| tree | 0c207d8628b3c518ec0849208eb2023d297937b3 /lib | |
| parent | 194d9831f0419b5125dc94ec0ece4434d8ef74f0 (diff) | |
| parent | a3cea9894157c20a5b1ec08b7e0b5f2019740c10 (diff) | |
| download | op-kernel-dev-c2a65d3d85a08b6c93da7b8664c89d1cd0682adf.zip op-kernel-dev-c2a65d3d85a08b6c93da7b8664c89d1cd0682adf.tar.gz | |
Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
Pull MIPS fixes from Ralf Baechle:
"Three issues fixed accross the field:
- Some functions that were recently outlined as part of a preemption
fix were causing problems with function tracing.
- The recently merged in-kernel MPI library uses very outdated
headers that contain MIPS-specific code which won't build on with
gcc 4.4 or newer.
- The MIPS non-NUMA memory initialization was making only a very
half-baked attempt at merging adjacent memory ranges. This kept
the code simple enough but is now causing issues with kexec."
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
MPI: Fix compilation on MIPS with GCC 4.4 and newer
MIPS: Fix crash that occurs when function tracing is enabled
MIPS: Merge overlapping bootmem ranges
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/mpi/longlong.h | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/lib/mpi/longlong.h b/lib/mpi/longlong.h index 678ce4f..095ab15 100644 --- a/lib/mpi/longlong.h +++ b/lib/mpi/longlong.h @@ -641,7 +641,14 @@ do { \ ************** MIPS ***************** ***************************************/ #if defined(__mips__) && W_TYPE_SIZE == 32 -#if __GNUC__ > 2 || __GNUC_MINOR__ >= 7 +#if __GNUC__ >= 4 && __GNUC_MINOR__ >= 4 +#define umul_ppmm(w1, w0, u, v) \ +do { \ + UDItype __ll = (UDItype)(u) * (v); \ + w1 = __ll >> 32; \ + w0 = __ll; \ +} while (0) +#elif __GNUC__ > 2 || __GNUC_MINOR__ >= 7 #define umul_ppmm(w1, w0, u, v) \ __asm__ ("multu %2,%3" \ : "=l" ((USItype)(w0)), \ @@ -666,7 +673,15 @@ do { \ ************** MIPS/64 ************** ***************************************/ #if (defined(__mips) && __mips >= 3) && W_TYPE_SIZE == 64 -#if __GNUC__ > 2 || __GNUC_MINOR__ >= 7 +#if __GNUC__ >= 4 && __GNUC_MINOR__ >= 4 +#define umul_ppmm(w1, w0, u, v) \ +do { \ + typedef unsigned int __ll_UTItype __attribute__((mode(TI))); \ + __ll_UTItype __ll = (__ll_UTItype)(u) * (v); \ + w1 = __ll >> 64; \ + w0 = __ll; \ +} while (0) +#elif __GNUC__ > 2 || __GNUC_MINOR__ >= 7 #define umul_ppmm(w1, w0, u, v) \ __asm__ ("dmultu %2,%3" \ : "=l" ((UDItype)(w0)), \ |
